Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 7 internet exchanges: IX.br (PTT.br) Rio Branco, IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Cuiabá: ATM/MPLA, IX.br (PTT.br) Brasília: ATM/MPLA, IX.br (PTT.br) Goiânia: ATM/MPLA, IX.br (PTT.br) Porto Velho, Equinix São Paulo: Equinix IX - SP Metro
AS61745 — global IP footprint
Cities where AS61745 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 186.219.240.0/21 | 2.0K |
64.4%
|
NBS TELECOM | BR | Rondônia | Porto Velho |
| 64.191.232.0/22 | 1.0K |
0.0%
|
NBS TELECOM | BR | — | — |
| 131.72.152.0/22 | 1.0K |
97.5%
|
NBS TELECOM | BR | Rondônia | Jaru |
| 186.219.248.0/22 | 1.0K |
63.6%
|
NBS TELECOM | BR | Rondônia | Porto Velho |
| 186.219.252.0/23 | 512 |
86.9%
|
NBS TELECOM | BR | Rondônia | Ariquemes |
| 186.219.254.0/24 | 256 |
86.7%
|
NBS TELECOM | BR | Rondônia | Ji Paraná |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS61745 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 131.72.152.0/22 | 47,289 | 2026-07-24 15:02:24 |
| 186.219.252.0/24 | 46,800 | 2026-07-24 15:02:24 |
| 186.219.240.0/21 | 45,460 | 2026-07-24 15:02:24 |
| 186.219.248.0/22 | 44,621 | 2026-07-24 15:02:24 |
| 186.219.252.0/23 | 44,616 | 2026-07-24 15:02:24 |
| 186.219.254.0/24 | 44,405 | 2026-07-24 15:02:24 |
| 186.219.241.0/24 | 276 | 2026-07-23 14:38:03 |
| 131.72.152.0/24 | 87 | 2026-07-23 14:38:03 |
Frequently Asked Questions
What is AS61745?
AS61745 is an Autonomous System Number assigned to NBS TELECOM. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS61745 announce?
AS61745 announces 4.9K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Brazil.
Who operates AS61745?
AS61745 is operated by NBS TELECOM. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.
What country is AS61745 registered in?
AS61745 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
